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If a chord joining P(a Sec θ, a tan θ), Q(a Sec α,a tan α) on the hyperbola x2−y2=a2 is the normal at P,then T an α |
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Answer» If a chord joining P(a Sec θ, a tan θ), Q(a Sec α,a tan α) on the hyperbola x2−y2=a2 is the normal at P,then T an α |
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